566
Item
Unit xed tight?
Device may fall off, vibrate, or make noises.
Condensed water may enter.
Heat exchange efficiency may be impaired, and
condensed water may occur; in case that condensed
water dripping onto valuables, damages may occur.
Possibly leading to incomplete ventilation or abnormal
running noises.
Fault may ensue or parts may get burnt out.
Fault may ensue or parts may get burnt out.
Danger of creepage is possible.
External air hoses tilted downwards and
leading outdoor?
Adequate heat insulation available for
the unit?
Valuables placed under air outlet frame?
Supply voltage conforms to rating on
name plate?
Air inlet port and outlet port blocked by
objects?
Safe earth connection?
Correct wiring?
Results
Possible consequences due to
erroneous practices
b. Operating Instruction Essentials
Please check against items in "safety Considerations" again.
Do not apply force to other parts, joint ange in particular. Please improve heat insulation when temperature and
humidity inside ceiling exceed 30°C and RH80%. Glass wool or polyethylene foam shall be used to deliver heat
insulation so that insulation thickness does not exceed 10mm, which is t for the opening space on ceiling.
1. Choose installation site according to installing conditions and users' requirements.
The unit shall be installed in places featuring adequate strength and stability (e.g., crossbeam, ceiling, and other
locations capable of bearing unit weight. Insufcient strength is dangerous and may cause vibration and abnormal
operating noise).
Do not install the unit directly unto ceiling and wall surface; direct contact may cause vibration.
Install the unit in places where cleaning and service are facilitated.
WARNING, CAUTION and PROHIBITED in the manual are indications of possible bodily injury and damages
to devices, therefore, contents thereof shall be explained to users who shall be asked to read the manual.
When moving or unpacking the unit, please hold the hoist hook.
■ The unit, power lines and wires shall be kept at least 1 meter away from TV sets and radios to prevent
interruption and noise. Placing of valuables right under the unit is strictly prohibited to prevent condensed water
from dripping onto valuables and causing damages.
■ Air chest may not be used in certain regions; please consult local authorities and re department.
■ In case that reproof material is required in certain buildings, common air hose shall be supported with copper
tube to exhaust air.
CATUION
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